Gaya APA
Carretto, C. (1972).
Letters from the desert, transl.by R.M.Hancock, foreword by Ivan Illich. Edisi Italia 1964 .
London:
Darton.
Gaya MLA
Carretto, Carlo..
"Letters from the desert, transl.by R.M.Hancock, foreword by Ivan Illich. Edisi Italia 1964 ".
London:
Darton,
1972.
Buku.